Northern Alaska, long viewed as a frozen buffer against fire, is now breaking records that reach deep into prehistory. New ...

Tundra swans — at 15 pounds and with a wingspan of almost 6 feet — are now touching down on the ponds and snowfields of Alaska. Not too long ago, Alaska scientists discovered more about where the ...

Whimbrels in northeastern Alaska take dramatically different migration routes to South America and winter in different countries.

Tundra swans — at 15 pounds and with a wingspan of almost 6 feet — are now touching down on the ponds and snowfields of Alaska. Not too long ago, Alaska scientists discovered more about where the ...

The Arctic is warming at twice the rate as the rest of the planet, and Alaska has seen three consecutive years of record high temperatures. The Alaskan tundra appears to be emitting more carbon ...

A lightning-sparked fire that has burned about 2,000 acres of Arctic Alaska tundra is the biggest wildfire on the North Slope in eight years. The Ikpikpuk Fire, which bears the name of a 195-mile ...

In the next 100 years, Alaska will experience a massive loss of its historic tundra, as global warming allows these vast regions of cold, dry, lands to support forests and other vegetation that will ...

Two bull caribou of the Western Arctic Caribou Herd swimming across the Kobuk River during fall 2011 migration in Kobuk Valley National Park. The herd has been in decline since hitting its peak ...

An analysis of peatland soil samples and satellite images has found that wildfires on Alaska's North Slope are more frequent and severe now than they were at any point over the past 3,000 years.